Dell PowerEdge R330 Owner's Manual page 127

Figure 89. Cabling diagram—Four 3.5-inch cabled hard drives and PERC card
1. hard drive and optical drive power connector on the
system board
3. PERC card
5. optical drive SATA connector on the system board
7. optical drive
2. Connector A on the PERC card
4. system board
6. cable routing clip
8. cabled hard drive (4)
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